Experimental technology

AP photo

An experiemntal electronic quotation board, used on a test basis to report wheat futures price changes, is in operation for the first time at the Chicago Board of Trade, October 15, 1956. The electronic board is expected to speed up posting od price changes on the trading floor.

An experiemntal electronic quotation board, used on a test basis to report wheat futures price changes, is in operation for the first time at the Chicago Board of Trade, October 15, 1956. The electronic board is expected to speed up posting od price changes on the trading floor. (AP photo)

An experiemntal electronic quotation board, used on a test basis to report wheat futures price changes, is in operation for the first time at the Chicago Board of Trade, October 15, 1956. The electronic board is expected to speed up posting od price changes on the trading floor.